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參數(shù)資料
| 型號： | UPD17006AGF-011 |
| 廠商： | NEC Corp. |
| 英文描述： | LJT 46C 40#20 4#16 2#8(COAX) |
| 中文描述： | 4位單片機(jī)帶預(yù)分頻器的微控制器，鎖相環(huán)頻率合成器，如果汽車調(diào)頻，兆瓦，和LW收音機(jī)計數(shù)器 |
| 文件頁數(shù)： | 46/72頁 |
| 文件大?。?/td> | 677K |
| 代理商： | UPD17006AGF-011 |
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46
μ
PD17006AGF-011
(d) AF operation 2-2
When initial setting diode AFSEL = 0
AF is selected by the following procedure:
1
2
The AF list currently received (up to 25 stations) is sorted in order of frequency.
The SD pin is checked from the highest frequency, and up to eight stations of signal meter
levels are stored when a station is detected.
Based on the result in 2 , the AF is selected starting from the station with the highest signal
meter level.
If an RDS station is detected in the course of AF selection, the PI code is checked.
At this time, the PI code is checked as follows:
When the region mode is selected because the initial setting diode REGEN = 1 and the
key is asserted, coincidence of the 12-bit PI code excluding the area cover
code of the PI code is detected; otherwise, coincidence of a 16-bit PI code is detected.
The AF operation is completed when detection of coincidence of the PI code is successful, and
an RDS station is received.
If AF selection fails in 4 , the station before AF selection was performed is retained.
3
4
REGION
5
When initial setting diode AFSEL = 1
The AF of each station is changed every 5 seconds. If changing the AF fails, the original station
is retained.
(3) PI search operation
If AF selection fails when AF operation 1 has been performed, and RDS mode is set, a PI search operation
is performed by the following procedure:
1
Stations are searched in the up direction in 100-kHz steps to make a pass through the band, starting
from the frequency received before failure of AF selection.
A station is detected. If it is not an RDS station, proceed to the next step. If it is an RDS station, the
PI code is checked.
The PI code is checked as follows:
When the region mode is selected because the initial setting diode REGEN = 1 and the
key is asserted, coincidence of the 12-bit PI code excluding the area cover code of the PI code
is detected; otherwise, coincidence of a 16-bit PI code is detected.
If detection of coincidence of the PI code is successful in 2 , the AF operation is completed, and the
station is received.
If detection of coincidence of the PI code fails in 2 , and if coincidence of the PI code is not detected
after the PI search is performed, passing through the band, the frequency before the PI search is
retained, and the AF operation is completed.
2
REGION
3
4
4.1.5 EON (Enhanced Other Network)
The EON information sent as block 3 of group type 14A uses the AF list of the network of the other station
and mapped FM frequency.
Group type 14A and data are input by the following procedure:
相關(guān)PDF資料 |
PDF描述 |
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| UPD17006AGF-011-3B9 | Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17006AGF-011-3B9 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR AUTOMOBILE FM, MW, AND LW RADIOS |
| UPD17006-XXX-3B9 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| UPD17010 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE DEDICATED TO DIGITAL TUNING SYSTEM |
| UPD17010GF | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE DEDICATED TO DIGITAL TUNING SYSTEM |
| UPD17012 | 制造商:NEC 制造商全稱:NEC 功能描述:PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LW TUNER AUTOMOBILE APPLICATION |
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